From 5ff331cb050f52361ec40512cc6d87f4923ed29f Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dave.stevenson@raspberrypi.com>
Date: Thu, 31 Mar 2022 12:03:36 +0100
Subject: [PATCH] drm/panel: ilitek-ili9881c: Clean up on
 mipi_dsi_attach failure

mipi_dsi_attach is allowed to fail, and currently the probe
code doesn't clean up (mainly drm_panel_remove) if this happens.

Add cleanup code on failure.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
---
 drivers/gpu/drm/panel/panel-ilitek-ili9881c.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

--- a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
+++ b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
@@ -1161,7 +1161,11 @@ static int ili9881c_dsi_probe(struct mip
 	dsi->format = MIPI_DSI_FMT_RGB888;
 	dsi->lanes = 4;
 
-	return mipi_dsi_attach(dsi);
+	ret = mipi_dsi_attach(dsi);
+	if (ret)
+		drm_panel_remove(&ctx->panel);
+
+	return ret;
 }
 
 static void ili9881c_dsi_remove(struct mipi_dsi_device *dsi)
